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raid [2010/09/15 18:04] – aorthraid [2026/07/14 06:11] (current) – external edit 127.0.0.1
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 ==== Physical Disk Layout ==== ==== Physical Disk Layout ====
  
-We have one RAID controller, 'c1'.  Disks are plugged into ports, 'p1' - 'p11'.  The disks are then grouped into units (basically the rows), 'u0' - 'u2'.+We have one RAID controller, 'c1'.  Disks are plugged into ports, 'p0' - 'p11'.  The disks are then grouped into units (basically the rows), 'u0' - 'u2'.
  
 | Port 8 | Port 9 | Port 10 | Port 11 | | Port 8 | Port 9 | Port 10 | Port 11 |
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 ==== Repairing 'degraded' arrays ==== ==== Repairing 'degraded' arrays ====
  
-There is a utility, tw_cli, which can be used to control/monitor the hardware raid controller.+There is a utility, ''tw_cli'', which can be used to control/monitor the hardware raid controller.
  
 Study the output of ''show'' to know which controller to manage.  Then you can use ''/c1 show'' to show the status of that particular controller.  Things to look for: Study the output of ''show'' to know which controller to manage.  Then you can use ''/c1 show'' to show the status of that particular controller.  Things to look for:
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 3w-9xxx: scsi1: AEN: ERROR (0x04:0x0002): Degraded unit detected:unit=0, port=3</file> 3w-9xxx: scsi1: AEN: ERROR (0x04:0x0002): Degraded unit detected:unit=0, port=3</file>
  
-<code>$ sudo tw_cli +<code>$ sudo tw_cli
 Password:  Password: 
 //hpc-ilri> /c1 show //hpc-ilri> /c1 show
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